The first step in training a dog not to pick up things and eat them randomly: Clear passwords

Owners need to set passwords for dogs not to eat, such as no, no, no. Only by strengthening the dog's impression of these words can he achieve the command and prohibition. Training dogs requires patience. After all, they do not understand human language, so the owner must take the trouble to teach them.

The second step of training a dog not to pick up and eat random things: Start training

First, put a snack that the dog likes to eat in front of the dog. When the dog wants to eat it, the owner You should press the dog's back while issuing inaccurate commands to control it so that it cannot move. When the dog remains quiet and still, the owner can reward the dog with a snack. When letting go of the dog and the dog still wants to eat the snack placed in front of it, the owner should continue to stop it. After repeating it a few times, the dog will know that something cannot be eaten.
When the dog has learned almost enough, the owner can start the advanced version of teaching. Still put a snack in front of the dog. When the dog wants to eat the snack, the owner loudly stops it, but no longer controls it. If the dog does not obey the command, the owner will take away the snack, slap it on the head as punishment, and start all over again. When the dog is able to command and control, it can be said that the training is initially completed. " No!", pull the leash at the same time, and tap the dog's mouth with your finger to stop the dog's behavior in time. If the dog can show that it ignores the food, the owner should encourage the dog in time. You can praise it in a soft tone and pet it affectionately.
When the dog is picking up food, the owner should stop it in time, and the tone of criticism should be short and strong. Nagging criticism will make the dog mistakenly think that you are encouraging it. Be careful when pulling the leash. For dogs with strong appetite reflexes, you can use a little more force. In addition, you must praise the dog promptly.